Home / 52,250.91-72,106.79-28,378.05

Finding the Fourth Proportional to 52,250.91, 72,106.79 and 28,378.05

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Solution

The fourth proportional to 52,250.91, 72,106.79 and 28,378.05 is: 39,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,250.91 : 72,106.79 = 28,378.05 : x
  2. Step 2: Convert to fraction form
    52,250.91/72,106.79 = 28,378.05/x
  3. Step 3: Cross multiply
    52,250.91x = 72,106.79 × 28,378.05
  4. Step 4: Simplify right side
    52,250.91x = 2,046,249,950.07
  5. Step 5: Solve for x
    x = 2,046,249,950.07/52,250.91
  6. Step 6: Final answer
    x = 39,162.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.